Trithuria submersa Hook. f.
Hydatellaceae
| Collection Number | Davidson, C 13539 |
| Collectors | C. Davidson, Kevin Thiele (permit holder), S. R. Christoph |
| Identified By | Kevin Thiele, X/2016 |
| Source | C. Davidson |
| Date | 31 October 2017 |
| Country | Australia |
| state | Western Australia |
| Location | Brixton Street Wetlands (Nature Reserve), in Kenwick, an eastern suburb of Perth. 8 m elev. |
| Lat/Long | S 32 01 51.8 E 115 58 15.1 |
| Note | Near center of a drying vernal pool. |